Oregon Dams
856 dams tracked by the National Inventory of Dams
Total Dams
856
High Hazard
155
18.1%
Poor / Unsatisfactory
47
Average Age
67 yrs
Hazard Classification
High155 (18.1%)
Significant166 (19.4%)
Low535 (62.5%)
Condition Assessment
Satisfactory62 (7.2%)
Fair39 (4.6%)
Poor / Unsatisfactory47 (5.5%)
Not Rated708 (82.7%)
Federal
122
State
14
Local
94
Private
603
Tallest Dams
- Cougar Dam519 ft
- Detroit Dam463 ft
- Round Butte440 ft
- Owyhee Dam417 ft
- Brownlee395 ft
High Hazard Dams
- Cougar DamHigh
- Detroit DamHigh
- Round ButteHigh
- Owyhee DamHigh
- BrownleeHigh
Poor Condition Dams
- SmithUnsatisfactory
- Hosler (Reeder GulchUnsatisfactory
- Willow Creek 3 (Malheur)Unsatisfactory
- Clear BranchUnsatisfactory
- Bear CreekPoor
All Dams in Oregon
Showing 426–450 of 535
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Delaubenfels Benton County | 33 | 1970 | Low | Not Rated |
| Dejong, The Reservoir Polk County | 39 | 1961 | Low | Not Rated |
| Deary Reservoir Malheur County | 28 | 1937 | Low | Not Rated |
| Deadman Creek Reservoir Harney County | 55 | 1984 | Low | Not Rated |
| Davison, Dale Polk County | 28 | 1971 | Low | Not Rated |
| Davis Lake Dam Sherman County | 23 | — | Low | Not Rated |
| Dallas Lake Reservoir Lake County | 30 | 1959 | Low | Not Rated |
| Dailey Reservoir Log Pond Jackson County | 22 | 1944 | Low | Not Rated |
| Cyrus Reservoir Deschutes County | 17 | 1968 | Low | Not Rated |
| Crows Nest Reservoir Malheur County | 29 | 2004 | Low | Satisfactory |
| Crown Zellerbach (Lagoon) Clackamas County | 15 | — | Low | Not Rated |
| Crow - F. M. Reservoir Baker County | 15 | 1916 | Low | Not Rated |
| Crowe Reservoir #2 (Polk) Polk County | 24 | 1971 | Low | Not Rated |
| Crates Point Reservoir Wasco County | 22 | 1977 | Low | Not Rated |
| Crater Lake Baker County | 33 | 1964 | Low | Not Rated |
| Corliss Malheur County | 10 | 1919 | Low | Not Rated |
| Corder Log Pond Douglas County | 12 | 1954 | Low | Not Rated |
| Coquille Plywood Mill Pond Coos County | 11 | 1957 | Low | Not Rated |
| Copeland Reservoir Malheur County | 12 | 1917 | Low | Not Rated |
| Coos Ctry Club 15th Hole Dam Coos County | 25 | — | Low | Not Rated |
| Collins Dam (Wheeler) Wheeler County | 35 | 1971 | Low | Not Rated |
| Cole and Forrester Yamhill County | 37 | 1951 | Low | Not Rated |
| Cob Creek Dam Malheur County | 31 | 1962 | Low | Not Rated |
| Clover Creek Reservoir (Baker) Baker County | 30 | 1989 | Low | Not Rated |
| Clemens Reservoir Harney County | 41 | 1967 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.